Traversal Time through Double-Barrier Resonant Tunneling Structure |
T. Figielski Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland |
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There are certain confusing statements in the literature concerning a physical time that is responsible for a high-frequency limit in operation of double-barrier resonant tunneling devices. Here, it is shown that an electron traversal time, introduced earlier by ours, exhibits no singularity on resonance and might be a good candidate for the quantity in question. |
DOI: 10.12693/APhysPolA.84.587 PACS numbers: 73.40.Gk, 85.30.Mn |